220144432 has 10 divisors (see below), whose sum is σ = 426529868. Its totient is φ = 110072208.

The previous prime is 220144429. The next prime is 220144433. The reversal of 220144432 is 234441022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (220144433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6879498 + ... + 6879529.

Almost surely, 2^220144432 is an apocalyptic number.

It is an amenable number.

220144432 is a deficient number, since it is larger than the sum of its proper divisors (206385436).

220144432 is a wasteful number, since it uses less digits than its factorization.

220144432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13759035 (or 13759029 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 220144432 is about 14837.2649770771. The cubic root of 220144432 is about 603.8131521514.

Adding to 220144432 its reverse (234441022), we get a palindrome (454585454).

The spelling of 220144432 in words is "two hundred twenty million, one hundred forty-four thousand, four hundred thirty-two".